The Honkai: Star Rail 4.0 beta server went live today, unleashing a torrent of leaks that paint a vibrant picture of the upcoming Elation-focused update set in the cyberpunk-inspired world of Planarcadia. Leakers like @dimbreath, @Razor_Language, and @nedgob have shared detailed kits, light cones, buffs, and revolutionary combat mechanics, signaling a major power shift toward the Path of Elation.

Note: All information is from unofficial beta leaks and subject to change. Spoiler warning!

New 5-Star Characters: Yao Guang and Sparxie Lead the Charge

Yao Guang (5★ Physical : Elation – Support)

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Yao Guang emerges as a premier Elation enabler, revolving around "Punchline" stacks (gained via her kit) and a unique "Elation" stat that boosts team damage.

Key Kit Highlights:

Ability Description
Basic ATK: Whistlebolt Sings Joy Deals Physical DMG to one enemy (45% ATK) + splash to adjacent (15% ATK). Boosts Basic ATK Energy Regen.
Skill: Decalight Unveils All Deploys 3-turn zone: +Elation to allies (6% of Yao Guang's). Gain 3 Punchline after Basic/Skill.
Ultimate: Hexagram of Feathered Fortune Gain 5 Punchline. Triggers "Aha Instant" (extra turn consuming fixed 20 Punchline, no actual consume). All allies +10% All-Type RES PEN (3 turns).
Talent: Behold Wherever Light Unfolds After ally attack, triggers "Great Boon" (1-3x): Elation DMG to random enemy (12%). Uses Yao Guang's Elation if ally's is lower.
Technique: Untethered Glimmer Sails Far Auto-triggers Skill 1 next battle (no SP cost). Breaks grant "Red Envelope" (SP?).

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Traces & Passives:

  • Amaze-in-Grace: SPD ≥120 → +30% Elation +1% per excess SPD (max 200).
  • Poised and Sated: Elation Skill +60% CRIT DMG; recover 1 team SP.
  • Eidolons enhance Punchline consumption in Ult, ally SPD/Elation, and team DEF ignore.

Her signature light cone artwork features her alongside a brown-haired "Sparkle" variant during a livestream.

Sparxie (5★ Fire : Elation – Hypercarry/DPS)

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A high-risk, high-reward follow-up attacker themed around livestreams, "Engagement Farming," and "Punchline/Thrill" mechanics. She transforms Basic ATKs into multi-hit barrages.

Key Kit Highlights:

Ability Description
Basic ATK: Cat Got Your Flamethongueue? Fire DMG to single (50% ATK).
Skill: Boom! Sparxie is Poppin' Transforms Basic into "Engagement Farming" (up to 20 triggers): +DMG multipliers, random Punchline/SP/Banger.
Ultimate: Party's Wildin' and Camera's Rollin' AoE Fire Elation DMG; gain 2 Punchline.
Talent: Slight of Sparx Hand "Certified Banger": Enhanced attacks deal extra Fire Elation DMG. Ult bonus hits.
Technique: Content Monetization Inflicts "Block" (10s, can't target allies); enter battle: 50% ATK Fire on blocked +2 SP recover.

Traces & Passives:

  • Sweet Punchline Singing: Excess ATK/100 → +Elation (max 80%).
  • Dazzling Persona Kaleidoscope: 1/2+ Elation allies → Ult +1/2 Punchline.
  • Frenzy Palette: Per Punchline → Ally CRIT DMG +4% (max 40%).
  • Eidolons boost RES PEN, extra turns, and CRIT DMG.

Her light cone depicts a chaotic livestream setup with hearts and effects.

Buffs to Existing Characters

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  • Sparkle: Ultimate restores more Skill Points and temporarily stores overflow.
    • 4.0 Sparkle Buffs TLDR - Ult Recovers 6 SP, overflow SP will be saved - Every SP Used by the team will apply 3% vuln to all enemies, up to 12% - When allies with her cdmg buff use SP, Sparkle gains 1 energy - After an ally uses 3 SP in one turn, Sparkle's next skill will not consume SP - Always gives 45% ATK. Allies with her cdmg buff get 10% Pen. Eidolons E1 gives Sparkle 15% SPD for 2 turns at start of battle or after using her skill.
  • Black Swan: Arcana stacks exceed limits; reset retains 50%.
    • Epiphany from ult now increases dmg taken by 25% instead of only during enemy turn - Epiphany let's Arcana to not be halved after detonated - Arcana stack can get above 50 but past that will not be saved - All Arcana damage IGNORES 20% def

Revolutionary Mechanics: HP Count & Dual Battlefield

  • HP Count: Enemies don't drain actual HP—instead, "HP Count" depletes on hits. Hits 0 → knockdown. Heals/shields ineffective. This counters HP-loss teams like Firefly/Castorice.
  • Dual Battlefield: Splits allies/enemies into two fields; no cross-attacks possible.

Banners, Light Cones, and QoL

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  • Expected Banners: Phase 1: Yao Guang + Black Swan rerun. Phase 2: Sparxie + Sparkle.
  • New Free 4★ Elation LCs: Feature Express crew, Sunday being "bullied" by Sparxie, Fu Xuan/Yao Guang lore nods.
  • QoL: Preview relic substats pre-leveling; team/assignment menu tweaks.

Planarcadia and Events

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New maps: Two-Dimensional City, Graffiti College, Hatogawa Ward, World's End Tavern, Secret Garden. Expect Ruan Mei skin, CNY event, Pom-Pom AI, Currency Wars update, and dice mode.